Home / 11,250.12-16,862.49-6,857.94

Finding the Fourth Proportional to 11,250.12, 16,862.49 and 6,857.94

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Solution

The fourth proportional to 11,250.12, 16,862.49 and 6,857.94 is: 10,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.12 : 16,862.49 = 6,857.94 : x
  2. Step 2: Convert to fraction form
    11,250.12/16,862.49 = 6,857.94/x
  3. Step 3: Cross multiply
    11,250.12x = 16,862.49 × 6,857.94
  4. Step 4: Simplify right side
    11,250.12x = 115,641,944.67
  5. Step 5: Solve for x
    x = 115,641,944.67/11,250.12
  6. Step 6: Final answer
    x = 10,279.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.